/Engine/Source/Runtime/GeometryCore/Public/Operations/LocalPlanarSimplify.h
Simplify Mesh along the given edges, and update the edge set accordingly
void SimplifyAlongEdges ( [FDynamicMesh3](API\Runtime\GeometryCore\DynamicMesh\FDynamicMesh3) & Mesh, [TSet](API\Runtime\Core\Containers\TSet)< int32 > & InOutEdges, [TUniqueFunction](API\Runtime\Core\Templates\TUniqueFunction)< void(const [DynamicMeshInfo::FEdgeCollapseInfo](API\Runtime\GeometryCore\DynamicMesh\FEdgeCollapseInfo) &)> ProcessCollapse ) const